@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

:root {
  --black: #0A0A0A;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-400: #A3A3A3;
  --gray-500: #6B6B6B;
  --gray-700: #3A3A3A;

  /* Y-VENTURES brand — black with glowing edges */
  --bg-base: #08090C;
  --bg-section: #0B0C10;
  --bg-elevated: #14151B;
  --bg-card: #101116;
  --slate-900: #1F2632;
  --slate-700: #2D333E;
  --blue-500: #2563EB;
  --blue-400: #3B82F6;
  --blue-300: #60A5FA;
  --edge: rgba(255, 255, 255, 0.10);
  --edge-hover: rgba(255, 255, 255, 0.38);
  --glow: 0 0 0 1px rgba(255, 255, 255, 0.04), 0 0 32px -6px rgba(255, 255, 255, 0.04);
  --glow-hover: 0 0 0 1px rgba(255, 255, 255, 0.18), 0 0 48px -8px rgba(255, 255, 255, 0.18);
  --text-1: #FFFFFF;
  --text-2: rgba(255, 255, 255, 0.72);
  --text-3: rgba(255, 255, 255, 0.45);
  --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── PAGE THEMES ── */
body.theme-purple {
  --bg-base: #0E0820;
  --bg-section: #150A2E;
  --bg-card: #1A0E38;
  --bg-elevated: #241548;
  --blue-300: #C084FC;
  --blue-400: #A855F7;
  --blue-500: #7E22CE;
  --glow: 0 0 0 1px rgba(192, 132, 252, 0.06), 0 0 32px -6px rgba(168, 85, 247, 0.08);
  --glow-hover: 0 0 0 1px rgba(192, 132, 252, 0.32), 0 0 48px -8px rgba(168, 85, 247, 0.28);
}
body.theme-lime {
  --bg-base: #000000;
  --bg-section: #050505;
  --bg-card: #0B0B0B;
  --bg-elevated: #161616;
  --blue-300: #DAFF7B;
  --blue-400: #C7F23E;
  --blue-500: #9CD22E;
  --glow: 0 0 0 1px rgba(199, 242, 62, 0.05), 0 0 32px -6px rgba(199, 242, 62, 0.06);
  --glow-hover: 0 0 0 1px rgba(199, 242, 62, 0.35), 0 0 48px -8px rgba(199, 242, 62, 0.22);
}
body.theme-deep {
  --bg-base: #050B1A;
  --bg-section: #08112A;
  --bg-card: #0B173B;
  --bg-elevated: #122353;
  --blue-300: #93C5FD;
  --blue-400: #60A5FA;
  --blue-500: #1D4ED8;
  --glow: 0 0 0 1px rgba(96, 165, 250, 0.06), 0 0 32px -6px rgba(29, 78, 216, 0.10);
  --glow-hover: 0 0 0 1px rgba(96, 165, 250, 0.34), 0 0 48px -8px rgba(29, 78, 216, 0.32);
}

/* themed page-header tints */
body.theme-purple .page-header { background: linear-gradient(160deg, #150A2E 0%, #0E0820 100%); }
body.theme-purple .page-header::before { background: radial-gradient(ellipse at 75% 50%, rgba(168, 85, 247, 0.22) 0%, transparent 55%); }
body.theme-deep .page-header { background: linear-gradient(160deg, #08112A 0%, #050B1A 100%); }
body.theme-deep .page-header::before { background: radial-gradient(ellipse at 75% 50%, rgba(37, 99, 235, 0.20) 0%, transparent 55%); }
body.theme-lime .page-header { background: #000000; }
body.theme-lime .page-header::before { background: radial-gradient(ellipse at 80% 50%, rgba(199, 242, 62, 0.18) 0%, transparent 55%); }
body.theme-lime .page-title { color: var(--blue-300); letter-spacing: -0.02em; }

/* ── DIAGRAM — Y-STARTUP COMPASS ── */
.ys-compass-wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 64px;
}
.ys-compass {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 480px;
}
.ys-compass svg { width: 100%; height: 100%; display: block; }
.ys-compass-points { display: flex; flex-direction: column; gap: 22px; }
.ys-compass-point {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 22px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  transition: transform 0.5s var(--bounce), border-color 0.3s, background 0.3s, box-shadow 0.4s;
}
.ys-compass-point:hover {
  transform: translateX(8px);
  border-color: var(--edge-hover);
  background: var(--bg-elevated);
  box-shadow: var(--glow-hover);
}
.ys-compass-marker {
  font-size: 22px;
  font-weight: 800;
  color: var(--blue-300);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
}
.ys-compass-step { font-size: 11px; font-weight: 700; color: var(--blue-300); letter-spacing: 0.2em; text-transform: uppercase; }
.ys-compass-label { font-size: 18px; font-weight: 700; margin-top: 4px; color: var(--text-1); }
.ys-compass-note { font-size: 13px; line-height: 1.65; color: var(--text-2); margin-top: 6px; }

/* ── DIAGRAM — BOOST MENTOR HUB ── */
.boost-hub-wrap {
  position: relative;
  margin-top: 64px;
  padding: 72px 40px;
  border-radius: 18px;
  background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-base) 100%);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  overflow: hidden;
}
.boost-hub-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(96, 165, 250, 0.12) 0%, transparent 60%);
  pointer-events: none;
}
.boost-hub {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  aspect-ratio: 16 / 10;
}
.boost-hub svg { width: 100%; height: 100%; display: block; }

/* ── DIAGRAM — VC PIXEL V ── */
.vc-pixel-block {
  position: relative;
  padding: 80px 40px;
  border-top: 1px solid var(--blue-400);
  border-bottom: 1px solid var(--blue-400);
  background: #000;
  text-align: center;
  overflow: hidden;
}
.vc-pixel {
  width: clamp(240px, 38vw, 440px);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
}
.vc-pixel svg { width: 100%; height: 100%; display: block; }
.vc-pixel-2026 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1.5px solid var(--blue-400);
  color: var(--blue-300);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}
.vc-pixel-caption {
  margin-top: 36px;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-300);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-1);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

/* ── MOTION ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
  }
  .reveal.in-view { opacity: 1; transform: none; }
  .reveal[data-delay="1"] { transition-delay: 0.08s; }
  .reveal[data-delay="2"] { transition-delay: 0.16s; }
  .reveal[data-delay="3"] { transition-delay: 0.24s; }

  .hero-title, .hero-sub {
    opacity: 0;
    transform: translateY(24px);
    animation: heroFade 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  .hero-sub { animation-delay: 0.18s; }
  @keyframes heroFade { to { opacity: 1; transform: none; } }

  .hero {
    background-position: var(--hero-bg-x, 100%) center;
    transition: background-position 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }
}

/* ── NAV ── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: #2D333E;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: border-color 0.3s ease;
}
#nav.scrolled {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  height: 32px;
}
.nav-logo img {
  height: 28px;
  width: auto;
  display: block;
}

.nav-menu { display: flex; list-style: none; gap: 36px; }
.nav-item { position: relative; height: 72px; display: flex; align-items: center; }
.nav-item > a {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.78);
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.nav-item > a:hover { color: var(--blue-400); }
.nav-item > a.active { color: var(--white); }

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: -8px;
  min-width: 200px;
  background: #2D333E;
  border: 1px solid var(--edge);
  border-radius: 10px;
  box-shadow: var(--glow-hover);
  padding: 8px 0;
  margin-top: 2px;
  z-index: 300;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.25s var(--ease-out), transform 0.3s var(--ease-out);
  pointer-events: none;
}
.dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
}
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.dropdown a {
  display: block;
  padding: 12px 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.7);
  transition: background 0.15s, color 0.15s;
}
.dropdown a:hover { background: rgba(255, 255, 255, 0.06); color: var(--blue-300); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--white); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background-color: var(--bg-base);
  background-image: url('../assets/YV Background.png');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  padding: 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 20, 36, 0.92) 0%, rgba(11, 20, 36, 0.55) 45%, rgba(11, 20, 36, 0) 70%);
  pointer-events: none;
}
.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 620px;
}
.hero-title {
  font-size: clamp(32px, 4.2vw, 60px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--white);
}
.hero-sub {
  margin-top: 22px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.7;
  letter-spacing: 0.02em;
}
.hero-sub strong {
  color: var(--white);
  font-weight: 700;
}

/* ── ACCELERATE BANNER ── */
.accelerate-banner {
  position: relative;
  padding: 96px 80px;
  background: var(--bg-section);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  text-align: center;
  overflow: hidden;
}
.accelerate-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 65%);
  pointer-events: none;
}
.accelerate-title {
  position: relative;
  z-index: 1;
  font-size: clamp(20px, 2.4vw, 34px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--text-1);
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 14px;
}
.accelerate-title span { display: inline-block; }
.accelerate-title span:nth-child(2) { color: var(--blue-300); font-weight: 400; }

/* ── ABOUT — MANIFESTO ── */
.about-manifesto {
  padding: 140px 80px;
  background: var(--bg-section);
  border-bottom: 1px solid var(--edge);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-manifesto::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.04) 0%, transparent 65%);
  pointer-events: none;
}
.manifesto-inner {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
.manifesto-line {
  font-size: clamp(28px, 4.4vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-1);
}
.manifesto-line + .manifesto-line { margin-top: 8px; }
.manifesto-accent { color: var(--blue-300); }

/* ── ABOUT — FACT TILES ── */
.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.fact-tile {
  padding: 44px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  transition: transform 0.5s var(--bounce), border-color 0.3s, background 0.3s, box-shadow 0.4s;
}
.fact-tile:hover {
  transform: translateY(-6px);
  border-color: var(--edge-hover);
  background: var(--bg-elevated);
  box-shadow: var(--glow-hover);
}
.fact-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 18px;
}
.fact-value {
  font-size: clamp(24px, 2.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--text-1);
}
.fact-note {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--text-2);
}

/* ── ABOUT — CTA ── */
.about-cta {
  padding: 140px 80px;
  background: var(--bg-base);
  border-top: 1px solid var(--edge);
  text-align: center;
}
.about-cta-title {
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--text-1);
  margin-bottom: 44px;
}
.about-cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── VIDEO ── */
.video-section {
  padding: 100px 80px;
  background: var(--bg-base);
}
.video-wrap {
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  transition: border-color 0.4s var(--ease-out), transform 0.5s var(--bounce), box-shadow 0.4s;
}
.video-wrap:hover {
  border-color: var(--edge-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow-hover);
}
.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── PROGRAM CARDS ── */
.program-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 56px;
}
.program-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ── EVENT — TIMETABLE ── */
.timetable {
  margin-top: 56px;
  border-top: 1px solid var(--blue-400);
  border-bottom: 1px solid var(--blue-400);
}
.timetable-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 22px 24px;
  border-top: 1px solid var(--edge);
  align-items: center;
  transition: background 0.3s;
}
.timetable-row:first-child { border-top: none; }
.timetable-row:hover { background: rgba(255, 255, 255, 0.02); }
.timetable-time {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-2);
}
.timetable-content { font-size: 15px; line-height: 1.6; color: var(--text-1); }
.timetable-content strong { font-weight: 700; }
.timetable-content em { font-style: normal; color: var(--blue-300); }

/* ── EVENT — SPEAKERS ── */
.speaker-group { margin-top: 40px; }
.speaker-group-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.speaker-group-label::before {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--blue-400);
  color: var(--bg-base);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.speaker-card {
  display: flex;
  gap: 18px;
  padding: 24px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  transition: transform 0.5s var(--bounce), border-color 0.3s, background 0.3s, box-shadow 0.4s;
}
.speaker-card:hover {
  transform: translateY(-4px);
  border-color: var(--edge-hover);
  background: var(--bg-elevated);
  box-shadow: var(--glow-hover);
}
.speaker-avatar {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--edge);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-300);
}
.speaker-name { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; color: var(--text-1); }
.speaker-bio { margin-top: 6px; font-size: 12px; line-height: 1.65; color: var(--text-2); }

/* ── EVENT — FACTS ── */
.event-facts {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px 28px;
  margin-top: 36px;
  font-size: 14px;
}
.event-facts dt {
  font-weight: 700;
  color: var(--blue-300);
  letter-spacing: 0.02em;
}
.event-facts dd { color: var(--text-2); line-height: 1.6; }
.event-facts dd a { color: var(--text-1); text-decoration: underline; text-underline-offset: 3px; }
.event-facts dd a:hover { color: var(--blue-300); }

.program-card {
  position: relative;
  display: block;
  min-height: 340px;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text-1);
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  transition: transform 0.5s var(--bounce), border-color 0.4s var(--ease-out), box-shadow 0.45s, background 0.4s;
}
.program-card:hover {
  transform: translateY(-8px);
  border-color: var(--edge-hover);
  background: var(--bg-elevated);
  box-shadow: var(--glow-hover);
}
.program-card-inner {
  padding: 44px 44px 52px;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 1;
}
.program-card-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 14px;
}
.program-card-title {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-1);
}
.program-card-desc {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-2);
  max-width: 420px;
}
.program-card-link {
  margin-top: auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-top: 32px;
}
.program-card-link .arrow {
  transition: transform 0.4s var(--bounce);
  display: inline-block;
}
.program-card:hover .program-card-link .arrow { transform: translateX(8px); }
.program-card-label {
  position: absolute;
  bottom: 20px;
  right: 28px;
  z-index: 2;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-3);
  transition: color 0.3s;
}
.program-card-label span {
  font-weight: 400;
  color: var(--text-3);
}
.program-card:hover .program-card-label { color: var(--blue-300); }

/* ── SECTIONS ── */
.section { padding: 120px 80px; background: var(--bg-base); color: var(--text-1); }
.section.bordered { border-top: 1px solid var(--edge); }
.section.gray { background: var(--bg-section); }

.eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 20px;
}
.section-heading {
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  text-transform: uppercase;
  max-width: 760px;
  color: var(--text-1);
}
.section-text {
  margin-top: 24px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--text-2);
  max-width: 580px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  font-family: 'Pretendard', sans-serif;
  cursor: pointer;
  transition: transform 0.4s var(--bounce), background 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
  border: 1.5px solid transparent;
  border-radius: 999px;
}
.btn-black {
  background: var(--blue-500);
  color: var(--white);
  border-color: var(--blue-500);
}
.btn-black:hover {
  background: var(--blue-400);
  border-color: var(--blue-300);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -18px rgba(59, 130, 246, 0.6);
}
.btn-outline {
  background: transparent;
  color: var(--text-1);
  border-color: var(--edge-hover);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--bg-base);
  transform: translateY(-3px);
}

.text-link {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-1);
  border-bottom: 1.5px solid var(--blue-400);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s, transform 0.4s var(--bounce);
  display: inline-block;
}
.text-link:hover { color: var(--blue-300); border-color: var(--blue-300); transform: translateY(-2px); }

/* ── CARD GRID (2-up) ── */
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 56px;
}
.card {
  padding: 56px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  transition: transform 0.5s var(--bounce), box-shadow 0.4s, border-color 0.3s, background 0.3s;
  position: relative;
  color: var(--text-1);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--glow-hover);
  border-color: var(--edge-hover);
  background: var(--bg-elevated);
  z-index: 2;
}
.card-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 20px;
}
.card-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--text-1);
}
.card-body {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ── PAGE HEADER ── */
.page-header {
  padding: 200px 80px 100px;
  border-bottom: 1px solid var(--edge);
  background: var(--bg-section);
  color: var(--text-1);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
}
.page-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 18px;
  position: relative;
}
.page-title {
  font-size: clamp(36px, 6vw, 84px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.03;
  text-transform: uppercase;
  color: var(--text-1);
  position: relative;
}
.page-desc {
  margin-top: 24px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-2);
  max-width: 540px;
  position: relative;
}

/* ── SUB-SECTION HEADER ── */
.sub-header { padding: 80px 80px 0; }
.sub-header h2 {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-1);
}
.sub-header p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
  max-width: 520px;
}

/* shared elevated tile (team/portfolio/contact/curriculum/partner) */
.team-grid, .portfolio-grid, .contact-grid, .curriculum-grid {
  display: grid;
  gap: 16px;
  margin-top: 56px;
}
.team-grid { grid-template-columns: repeat(4, 1fr); }
.portfolio-grid { grid-template-columns: repeat(3, 1fr); }
.contact-grid { grid-template-columns: repeat(3, 1fr); }
.curriculum-grid { grid-template-columns: 1fr 1fr; }

.team-card, .portfolio-card, .contact-card, .curriculum-card {
  padding: 40px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  transition: transform 0.5s var(--bounce), border-color 0.3s, background 0.3s, box-shadow 0.4s;
}
.team-card:hover, .portfolio-card:hover, .contact-card:hover, .curriculum-card:hover {
  transform: translateY(-6px);
  border-color: var(--edge-hover);
  background: var(--bg-elevated);
  box-shadow: var(--glow-hover);
}

.team-avatar {
  width: 64px;
  height: 64px;
  background: var(--bg-elevated);
  border: 1px solid var(--edge);
  border-radius: 50%;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--blue-300);
}
.team-name { font-size: 14px; font-weight: 700; color: var(--text-1); }
.team-role { margin-top: 4px; font-size: 11px; color: var(--text-3); letter-spacing: 0.04em; line-height: 1.5; }

.portfolio-card { padding: 44px; }
.portfolio-name { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; color: var(--text-1); }
.portfolio-cat { margin-top: 6px; font-size: 10px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--blue-300); }
.portfolio-desc { margin-top: 14px; font-size: 13px; color: var(--text-2); line-height: 1.65; }

.contact-card { padding: 56px; }
.contact-card-tag { font-size: 10px; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--blue-300); margin-bottom: 20px; }
.contact-card h3 { font-size: 19px; font-weight: 800; letter-spacing: -0.01em; text-transform: uppercase; line-height: 1.2; color: var(--text-1); }
.contact-card p { margin-top: 14px; font-size: 14px; line-height: 1.75; color: var(--text-2); }

.curriculum-card { padding: 48px; }
.curriculum-week { font-size: 10px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--blue-300); margin-bottom: 14px; }
.curriculum-title { font-size: 18px; font-weight: 700; color: var(--text-1); }
.curriculum-desc { margin-top: 10px; font-size: 13px; line-height: 1.72; color: var(--text-2); }

/* ── MARQUEE ── */
.marquee-row {
  margin-top: 64px;
}
.marquee-row + .marquee-row { margin-top: 28px; }
.marquee-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 16px;
}
.marquee {
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track {
  display: flex;
  gap: 20px;
  width: max-content;
  will-change: transform;
}
.marquee-right .marquee-track { animation: marquee-right 38s linear infinite; }
.marquee-left .marquee-track { animation: marquee-left 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-right {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}
@keyframes marquee-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none !important; transform: translateX(0); }
}

.marquee-item {
  flex: 0 0 auto;
  width: 168px;
  height: 84px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-3);
  transition: background 0.3s, border-color 0.3s, color 0.3s, transform 0.4s var(--bounce), box-shadow 0.4s;
}
.marquee-item:hover {
  background: var(--bg-elevated);
  border-color: var(--edge-hover);
  color: var(--text-1);
  transform: translateY(-3px);
  box-shadow: var(--glow-hover);
}

/* ── PARTNERS ── */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 56px;
}
.partner-item {
  padding: 32px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--edge);
  box-shadow: var(--glow);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-2);
  transition: transform 0.5s var(--bounce), background 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.4s;
}
.partner-item:hover {
  transform: translateY(-4px);
  background: var(--bg-elevated);
  border-color: var(--edge-hover);
  color: var(--text-1);
  box-shadow: var(--glow-hover);
}

/* ── TIMELINE ── */
.timeline { margin-top: 56px; }
.timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 48px;
  padding: 32px 80px;
  border-top: 1px solid var(--edge);
  align-items: start;
  transition: background 0.3s;
}
.timeline-item:hover { background: rgba(255, 255, 255, 0.02); }
.timeline-year { font-size: 13px; font-weight: 700; letter-spacing: 0.04em; padding-top: 2px; color: var(--blue-300); }
.timeline-content h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--text-1); }
.timeline-content p { font-size: 14px; color: var(--text-2); line-height: 1.68; }

/* ── FAQ ── */
.faq-list { margin-top: 56px; }
.faq-item {
  border: 1px solid var(--edge);
  border-radius: 12px;
  background: var(--bg-card);
  margin-bottom: 10px;
  transition: border-color 0.3s, background 0.3s;
}
.faq-item:hover { border-color: var(--edge-hover); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 32px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Pretendard', sans-serif;
  color: var(--text-1);
  line-height: 1.5;
}
.faq-q .faq-icon {
  font-size: 22px;
  font-weight: 300;
  flex-shrink: 0;
  margin-left: 20px;
  transition: transform 0.4s var(--bounce);
  color: var(--blue-300);
}
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease-out); }
.faq-a p { padding: 0 32px 24px; font-size: 14px; line-height: 1.78; color: var(--text-2); }
.faq-item.open .faq-q .faq-icon { transform: rotate(45deg); }
.faq-item.open .faq-a { max-height: 400px; }

/* ── FOOTER ── */
footer {
  background: #2D333E;
  color: var(--white);
  padding: 80px 80px 40px;
  position: relative;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 56px;
}
.footer-logo img { height: 24px; width: auto; display: block; }
.footer-nav {
  display: flex;
  list-style: none;
  gap: 44px;
}
.footer-nav a {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--blue-400); }

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}
.footer-meta a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-meta a:hover { color: var(--blue-400); }
.footer-loc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  font-style: italic;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.42);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: color 0.2s, background 0.2s, border-color 0.2s, transform 0.2s;
}
.footer-social a:hover {
  color: var(--white);
  background: var(--blue-500);
  border-color: var(--blue-500);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: flex-end;
}
.footer-legal { display: flex; gap: 10px; align-items: center; }
.footer-legal a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.42);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-legal a:hover { color: var(--white); }
.footer-divider { color: rgba(255, 255, 255, 0.2); font-size: 11px; }

/* ── MOBILE ── */
@media (max-width: 960px) {
  .card-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .curriculum-grid { grid-template-columns: 1fr; }
  .program-grid-3 { grid-template-columns: 1fr; }
  .card-grid-3 { grid-template-columns: 1fr; }
  .ys-compass-wrap { grid-template-columns: 1fr; gap: 40px; }
  .ys-compass { max-width: 360px; margin: 0 auto; }
  .boost-hub-wrap { padding: 48px 24px; }
  .vc-pixel-block { padding: 56px 20px; }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }
  .footer-nav { flex-wrap: wrap; gap: 24px; }

  .hero { padding: 100px 40px 60px; }
}

@media (max-width: 640px) {
  #nav { padding: 0 20px; height: 64px; }
  .nav-item { height: 64px; }
  .hamburger { display: flex; }
  .nav-menu {
    display: none;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: #2D333E;
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 300;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .nav-menu.open { display: flex; }
  .nav-item { height: auto; flex-direction: column; align-items: stretch; }
  .nav-item > a { padding: 14px 20px; font-size: 13px; }
  .dropdown {
    display: block;
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
    margin: 0;
    padding: 0 0 8px;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .dropdown a { padding: 8px 36px; font-size: 11px; color: rgba(255, 255, 255, 0.55); }

  .hero { padding: 96px 20px 48px; }
  .hero::before { background: linear-gradient(180deg, rgba(11, 20, 36, 0.5) 0%, rgba(11, 20, 36, 0.85) 100%); }
  .hero-title { font-size: 28px; line-height: 1.25; }
  .hero-sub { font-size: 13px; }
  .nav-logo img { height: 22px; }

  .accelerate-banner { padding: 80px 20px; }
  .accelerate-title { gap: 4px; }
  .video-section { padding: 60px 20px; }
  .program-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 48px; }
  .program-card { min-height: 360px; }
  .program-card-inner { padding: 36px 28px 44px; }
  .about-manifesto { padding: 80px 20px; }
  .manifesto-line + .manifesto-line { margin-top: 4px; }
  .fact-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 40px; }
  .fact-tile { padding: 32px 24px; }
  .about-cta { padding: 80px 20px; }
  .about-cta-title { margin-bottom: 32px; }

  .section { padding: 72px 20px; }
  .page-header { padding: 120px 20px 60px; }
  .sub-header { padding: 60px 20px 0; }

  .team-grid { grid-template-columns: 1fr 1fr; }
  .team-card { padding: 24px 20px; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-card { padding: 40px 20px; }
  .card { padding: 40px 20px; }
  .curriculum-card { padding: 40px 20px; }
  .portfolio-card { padding: 36px 20px; }

  .faq-q { padding: 20px; font-size: 14px; }
  .faq-a p { padding: 0 20px 24px; }

  .timeline-item { grid-template-columns: 1fr; gap: 8px; padding: 28px 20px; }

  footer { padding: 60px 20px 32px; }
  .footer-nav { gap: 18px; }
  .footer-bottom { justify-content: flex-start; }
}

/* ── HISTORY TIMELINE ── */
.history-section {
  padding: 120px 80px;
  background: var(--bg-base);
  color: var(--text-1);
  border-top: 1px solid var(--edge);
}
.history-intro {
  margin-bottom: 96px;
  max-width: 720px;
}

.year-group {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 80px;
  padding: 72px 0;
  border-top: 1px solid var(--edge);
  align-items: start;
}
.year-group:first-of-type { border-top: none; padding-top: 0; }

.year-label {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-1);
  line-height: 1;
}

.event-list {
  position: relative;
  padding-left: 40px;
}
.event-list::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--edge);
}

.event-item {
  position: relative;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 16px 0;
  align-items: baseline;
}
.event-item::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid var(--blue-300);
  box-shadow: 0 0 0 4px var(--bg-base), 0 0 18px rgba(120, 170, 255, 0.35);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.event-item:hover::before {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px var(--bg-base), 0 0 24px rgba(120, 170, 255, 0.6);
}

.event-date {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--blue-300);
}
.event-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-1);
}

/* ── GREETINGS LETTERS ── */
.letter-block {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 96px;
  padding: 96px 0;
  border-top: 1px solid var(--edge);
  align-items: start;
}
.letter-block:first-of-type { border-top: none; padding-top: 0; }
.letter-meta {
  position: sticky;
  top: 120px;
}
.letter-role {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 14px;
}
.letter-name {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-1);
  line-height: 1.15;
}
.letter-name-en {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}
.letter-body p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-2);
  margin-bottom: 24px;
}
.letter-body p:last-child { margin-bottom: 0; }
.letter-body .lead {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-1);
  margin-bottom: 36px;
}
.letter-body .signature {
  margin-top: 40px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

@media (max-width: 900px) {
  .history-section { padding: 80px 24px; }
  .year-group { grid-template-columns: 1fr; gap: 24px; padding: 48px 0; }
  .year-label { font-size: 44px; }
  .event-list { padding-left: 32px; }
  .event-item { grid-template-columns: 70px 1fr; gap: 16px; }
  .event-item::before { left: -32px; }

  .letter-block { grid-template-columns: 1fr; gap: 28px; padding: 56px 0; }
  .letter-meta { position: static; }
  .letter-body .lead { font-size: 19px; }
  .letter-body p { font-size: 15px; }
}

/* ── NETWORK PAGE ── */
.network-hero {
  padding: 140px 80px 80px;
  background: var(--bg-section);
  border-bottom: 1px solid var(--edge);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.network-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(96, 165, 250, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.network-hero .eyebrow { color: var(--blue-300); }
.network-hero h1 {
  margin-top: 18px;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-1);
  position: relative;
}
.network-hero p {
  margin: 24px auto 0;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-2);
  position: relative;
}

.network-canvas {
  padding: 80px 40px 120px;
  background: var(--bg-base);
  display: flex;
  justify-content: center;
}
.network-svg {
  width: 100%;
  max-width: 1080px;
  height: auto;
  overflow: visible;
}
.net-link {
  stroke: rgba(96, 165, 250, 0.18);
  stroke-width: 1;
  fill: none;
  transition: stroke 0.4s var(--ease-out), stroke-opacity 0.4s;
}
.net-link.pulse { animation: netPulse 4s ease-in-out infinite; }
@keyframes netPulse {
  0%, 100% { stroke-opacity: 0.18; }
  50% { stroke-opacity: 0.55; }
}
.net-node { cursor: pointer; }
.net-node circle {
  fill: var(--bg-elevated);
  stroke: var(--edge-hover);
  stroke-width: 1.5;
  transition: fill 0.3s, stroke 0.3s, filter 0.3s;
}
.net-node text {
  fill: var(--text-1);
  font-family: 'Pretendard', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
  transition: fill 0.3s;
}
.net-node text.net-sub { font-size: 10px; font-weight: 500; fill: var(--text-3); }
.net-node:hover circle {
  fill: var(--blue-500);
  stroke: var(--blue-300);
  filter: drop-shadow(0 0 28px rgba(96, 165, 250, 0.65));
}
.net-node:hover text.net-sub { fill: var(--text-1); }
.net-node-center circle {
  fill: var(--blue-500);
  stroke: var(--blue-300);
  stroke-width: 2;
  animation: centerGlow 3s ease-in-out infinite;
}
@keyframes centerGlow {
  0%, 100% { filter: drop-shadow(0 0 22px rgba(96, 165, 250, 0.32)); }
  50% { filter: drop-shadow(0 0 44px rgba(96, 165, 250, 0.6)); }
}
.net-node-center text { fill: var(--white); font-weight: 800; }

.network-stats {
  padding: 80px 80px 120px;
  background: var(--bg-section);
  border-top: 1px solid var(--edge);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.network-stat {
  text-align: center;
  padding: 36px 20px;
  border: 1px solid var(--edge);
  border-radius: 16px;
  background: var(--bg-card);
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.network-stat:hover {
  transform: translateY(-4px);
  border-color: var(--edge-hover);
  box-shadow: var(--glow-hover);
}
.network-stat-num {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--blue-300);
}
.network-stat-label {
  margin-top: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ── TEAM PAGE ── */
.team-section-wrap { padding: 120px 80px; background: var(--bg-base); }
.team-section-wrap + .team-section-wrap { border-top: 1px solid var(--edge); }
.team-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}
.team-section-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-1);
}
.team-section-count {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-300);
}

/* ── PARTNERS PAGE ── */
.partners-block { padding: 96px 80px; }
.partners-block + .partners-block { border-top: 1px solid var(--edge); }
.partners-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
  flex-wrap: wrap;
}
.partners-block-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-1);
}
.partners-block-sub {
  font-size: 14px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}
.partner-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.partner-logo-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.partner-logo {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--edge);
  border-radius: 14px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-2);
  text-align: center;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s, color 0.3s;
}
.partner-logo:hover {
  transform: translateY(-4px);
  border-color: var(--edge-hover);
  box-shadow: var(--glow-hover);
  color: var(--text-1);
}

/* ── YONSEI ECOSYSTEM ── */
.eco-hero {
  padding: 140px 80px 100px;
  background: var(--bg-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.eco-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(96, 165, 250, 0.10) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(96, 165, 250, 0.08) 0%, transparent 40%);
  pointer-events: none;
}
.eco-hero h1 {
  position: relative;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-1);
}
.eco-hero .eyebrow { color: var(--blue-300); position: relative; }
.eco-hero p {
  position: relative;
  margin: 28px auto 0;
  max-width: 680px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-2);
}

.eco-party {
  padding: 100px 80px;
  background: var(--bg-section);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}
.eco-party-head { text-align: center; margin-bottom: 64px; }
.eco-party-tag {
  display: inline-block;
  padding: 8px 18px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-300);
  border: 1px solid var(--blue-500);
  border-radius: 999px;
  margin-bottom: 24px;
}
.eco-party-title {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-1);
}
.eco-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 1080px;
  margin: 0 auto;
}
.eco-group {
  position: relative;
  padding: 44px 36px;
  border: 1px solid var(--edge);
  border-radius: 20px;
  background: var(--bg-card);
  transition: transform 0.35s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.eco-group::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(96, 165, 250, 0.10) 0%, transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
}
.eco-group:hover {
  transform: translateY(-6px);
  border-color: var(--blue-500);
  box-shadow: 0 24px 60px -16px rgba(96, 165, 250, 0.25);
}
.eco-group:hover::before { opacity: 1; }
.eco-group-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(96, 165, 250, 0.12);
  color: var(--blue-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 24px;
}
.eco-group-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-1);
}
.eco-group-en {
  margin-top: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-300);
}
.eco-group-body {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}
.eco-group-tags {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.eco-group-tags span {
  font-size: 11px;
  padding: 6px 12px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  color: var(--text-3);
  background: rgba(255, 255, 255, 0.02);
}
.eco-cta { padding: 120px 80px; text-align: center; }
.eco-cta-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-1);
}
.eco-cta-sub {
  margin: 24px auto 36px;
  max-width: 540px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

@media (max-width: 900px) {
  .network-hero, .eco-hero { padding: 100px 24px 60px; }
  .network-canvas { padding: 40px 16px 60px; }
  .network-stats { grid-template-columns: repeat(2, 1fr); padding: 60px 24px 80px; gap: 16px; }
  .network-stat-num { font-size: 34px; }

  .team-section-wrap { padding: 72px 24px; }
  .team-section-title { font-size: 26px; }

  .partners-block { padding: 64px 24px; }
  .partners-block-title { font-size: 26px; }
  .partner-logo-grid, .partner-logo-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }

  .eco-party { padding: 64px 24px; }
  .eco-groups { grid-template-columns: 1fr; }
  .eco-cta { padding: 80px 24px; }
}

/* ── SCOUTS PAGE ── */
.scouts-photo-wrap { padding: 40px 80px 120px; background: var(--bg-base); }
.scouts-photo {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(96,165,250,0.15) 0%, rgba(96,165,250,0.04) 60%),
    var(--bg-card);
  border: 1px solid var(--edge);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scouts-photo::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(96,165,250,0.18) 0%, transparent 35%),
    radial-gradient(circle at 80% 70%, rgba(96,165,250,0.12) 0%, transparent 40%);
}
.scouts-photo-label {
  position: relative;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px dashed var(--edge-hover);
  padding: 14px 26px;
  border-radius: 999px;
  background: rgba(0,0,0,0.35);
}

/* ── TBD PAGES ── */
.tbd-section {
  padding: 200px 80px;
  text-align: center;
  background: var(--bg-base);
  border-top: 1px solid var(--edge);
  position: relative;
  overflow: hidden;
}
.tbd-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 40%, rgba(96,165,250,0.08) 0%, transparent 55%);
}
.tbd-mark {
  position: relative;
  display: inline-block;
  padding: 14px 28px;
  border: 1px solid var(--edge-hover);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 32px;
}
.tbd-title {
  position: relative;
  font-size: clamp(56px, 9vw, 120px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-1);
}
.tbd-sub {
  position: relative;
  margin: 28px auto 0;
  max-width: 520px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ── RECRUITING PAGE ── */
.recruit-hero {
  padding: 140px 80px 80px;
  background: var(--bg-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.recruit-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(96,165,250,0.12) 0%, transparent 55%);
  pointer-events: none;
}
.recruit-hero .eyebrow { color: var(--blue-300); position: relative; }
.recruit-hero h1 {
  position: relative;
  margin-top: 18px;
  font-size: clamp(40px, 6vw, 82px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-1);
}
.recruit-hero .recruit-sub {
  position: relative;
  margin: 24px auto 0;
  max-width: 620px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-2);
}
.recruit-info {
  padding: 100px 80px;
  background: var(--bg-section);
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.recruit-info-tile {
  padding: 36px 32px;
  border: 1px solid var(--edge);
  border-radius: 18px;
  background: var(--bg-card);
}
.recruit-info-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 12px;
}
.recruit-info-value {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
}
.recruit-info-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}
.recruit-steps-wrap { padding: 120px 80px; background: var(--bg-base); }
.recruit-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.recruit-step {
  padding: 36px 30px;
  border: 1px solid var(--edge);
  border-radius: 18px;
  background: var(--bg-card);
  position: relative;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.recruit-step:hover {
  transform: translateY(-4px);
  border-color: var(--edge-hover);
  box-shadow: var(--glow-hover);
}
.recruit-step-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 14px;
}
.recruit-step-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-1);
}
.recruit-step-date {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-2);
}
.recruit-step-body {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-3);
}

/* ── CONTACT PAGE ── */
.contact-cards-wrap { padding: 80px 80px 120px; background: var(--bg-base); }
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-card-link {
  display: flex;
  flex-direction: column;
  padding: 56px 40px;
  border: 1px solid var(--edge);
  border-radius: 20px;
  background: var(--bg-card);
  text-decoration: none;
  color: inherit;
  transition: transform 0.35s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  min-height: 320px;
}
.contact-card-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(96,165,250,0.12) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.contact-card-link:hover {
  transform: translateY(-6px);
  border-color: var(--blue-500);
  box-shadow: 0 24px 60px -16px rgba(96,165,250,0.25);
}
.contact-card-link:hover::before { opacity: 1; }
.contact-card-link .contact-card-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-300);
  margin-bottom: 24px;
}
.contact-card-link h3 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--text-1);
}
.contact-card-link p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}
.contact-card-cta {
  margin-top: auto;
  padding-top: 32px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-300);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.06em;
}
.contact-card-cta .arrow { transition: transform 0.3s var(--ease-out); display: inline-block; }
.contact-card-link:hover .contact-card-cta .arrow { transform: translateX(6px); }

@media (max-width: 900px) {
  .scouts-photo-wrap { padding: 24px 16px 80px; }
  .tbd-section { padding: 140px 24px; }
  .tbd-title { font-size: 64px; }
  .recruit-hero { padding: 100px 24px 60px; }
  .recruit-info { grid-template-columns: 1fr; padding: 64px 24px; }
  .recruit-steps-wrap { padding: 80px 24px; }
  .recruit-steps { grid-template-columns: 1fr; }
  .contact-cards-wrap { padding: 40px 24px 80px; }
  .contact-cards { grid-template-columns: 1fr; }
}